| Units |
| National Historical Parks | Klondike Gold Rush (Multi-State) |
| Lewis and Clark (Multi-State) | |
| Manhattan Project (Multi-State) | |
| Nez Perce (Multi-State) | |
| San Juan Island | |
| National Historic Sites | Fort Vancouver |
| Whitman Mission | |
| National Parks | Mount Rainier |
| North Cascades | |
| Olympic | |
| National Recreation Areas | Lake Chelan |
| Lake Roosevelt | |
| Ross Lake | |
| National Reserves | Ebey's Landing |
| Non-Units |
| National Historic Trails | Lewis & Clark (Multi-State) |
| National Scenic Trails | Pacific Crest (Multi-State) |
| Pacific Northwest (Multi-State) | |
| National Geographic Trails | Ice Age Floods (Multi-State) |
| Other Sites | Wing Luke Museum |